Pith Number

pith:BKCTNABG

pith:2011:BKCTNABG7NAJ7LCLJ5NPHS46MN

not attested not anchored not stored refs pending

On the Role of Diversity in Sparsity Estimation

Galen Reeves, Michael Gastpar

arxiv:1107.5730 v1 · 2011-07-28 · cs.IT · math.IT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BKCTNABG7NAJ7LCLJ5NPHS46MN}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T04:16:41.458604Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a85368026fb409fac4b4f5af3cb9e637ea1ec78457a0275c489223328d52d4a

Aliases

arxiv: 1107.5730 · arxiv_version: 1107.5730v1 · doi: 10.48550/arxiv.1107.5730 · pith_short_12: BKCTNABG7NAJ · pith_short_16: BKCTNABG7NAJ7LCL · pith_short_8: BKCTNABG

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/BKCTNABG7NAJ7LCLJ5NPHS46MN \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 0a85368026fb409fac4b4f5af3cb9e637ea1ec78457a0275c489223328d52d4a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0422db3aac66b2fc73eefbddf184840f09deb5a3c0cb0eac1173b9812a98aec8",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2011-07-28T15:05:34Z",
    "title_canon_sha256": "b2b20a16f99022206a5048fcd4e0ceb7a392e19eb84a1ceee46f47ecbf27b4be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.5730",
    "kind": "arxiv",
    "version": 1
  }
}